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Evaluation of ethylene-propylene-diene monomer (EPDM) aging in UV/condensation environment by principal component analysis (PCA)

  • Quanlin Zhao
  • , Xiaogang Li*
  • , Jin Gao
  • , Zhijun Jia
  • *Corresponding author for this work
  • University of Science and Technology Beijing

Research output: Contribution to journalArticlepeer-review

Abstract

Artificial weathering tests on ethylene-propylene-diene monomer (EPDM) were conducted in UV/condensation environment for different time periods up to 90 days. Principal component analysis (PCA) was used to evaluate the 11 aging parameters of EPDM including surface properties, crosslink density and mechanical properties. The results showed that EPDM aged quickly in the first 18 days of exposure and then slowed up. Among the 11 evaluating parameters, tensile stress at 100% elongation, surface tension and carbonyl content are strongly associated. The crosslink density is also well correlated with the hardness.

Original languageEnglish
Pages (from-to)1647-1649
Number of pages3
JournalMaterials Letters
Volume63
Issue number20
DOIs
StatePublished - 15 Aug 2009
Externally publishedYes

Keywords

  • Aging
  • Ethylene-propylene-diene monomer (EPDM)
  • Evaluation
  • Principal component analysis (PCA)
  • UV/condensation environment

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